Method for Awarding Discount and Promotions for Delayed Services to Subscribers Charged in Real time

摘要

A method and system for updating the available amount of a service to be used by a user in a communications system, wherein a requested amount of a requested service is reserved if it is available. It is detected if a valid delivery of the requested service has been performed, if so, the delivered amount of said requested service is accumulated; and available amount is updated in dependence of the delivered amount